Electronic calculator with timepiece



FIG. 1 is a top plan view of an electronic calculator with timepiece showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view of FIG. 2;

FIG. 4 is a rear elevational view of FIG. 2;

FIG. 5 is a right side elevational view of FIG. 2; and

FIG. 6 is a left side elevational view of FIG. 2. 

The ornamental design for an electronic calculator with timepiece, as shown and described. 